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Finding the Fourth Proportional to 5,891.70, 8,833.05 and 2,972.10

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Solution

The fourth proportional to 5,891.70, 8,833.05 and 2,972.10 is: 4,455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.70 : 8,833.05 = 2,972.10 : x
  2. Step 2: Convert to fraction form
    5,891.70/8,833.05 = 2,972.10/x
  3. Step 3: Cross multiply
    5,891.70x = 8,833.05 × 2,972.10
  4. Step 4: Simplify right side
    5,891.70x = 26,252,707.91
  5. Step 5: Solve for x
    x = 26,252,707.91/5,891.70
  6. Step 6: Final answer
    x = 4,455.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.